FR762684A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Compass improvement
Assignee: Laurent Andre Jean-Marie
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Filing: 1933-01-07
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Granted: 1934-04-16
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Expires: 1953-01-07
Abstract
No abstract record available.
Inventors
- 👤 Laurent Andre Jean-Marie
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 21:57
CPC Classifications
G; G01; G01C; G01C17/00
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References Cited (Backward Citations)
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